3-2-1 Contact - Season 1 Episode 40 Light/Dark: Light Sources
Marc proposes to burn a hole through a piece of cardboard using a magnifying glass and the sun. It doesn't harm the cardboard, but Lisa and Trini get the message.REHASHED FROM THE PREVIOUS FOUR EPISODES: Trini discovers a boy whose vision was improved with a cornea transplant. Trini uses a prism to split white light into the color spectrum. Lisa witnesses an infrared camera. Marc learns that butterflies and flowers bear ultraviolet light. Trini visits an observatory whose telescope studies the sun. ANIMATION: How the eye sees.ADDITIONAL: Lisa examines lasers. Marc encounters a solar-energy research lab.
Year: 1988
Genre:
Country: United States of America
Studio: PBS
Director:
Cast:
Crew: Joanne Roberts (Producer), Karen Katz (Producer), Anne MacLeod Hoffman (Executive Producer), Maxine Wishner (Producer), Susan Schwartz Lynn (Producer), Alfred Hyslop (Executive Producer)
First Air Date: Jan 14, 1980
Last Air date: Nov 18, 1988
Season: 7 Season
Episode: 223 Episode
Runtime: 30 minutes
IMDb: 7.00/10 by 6.00 users
Popularity: 17.156
Language: English
Keyword :
Episode
Noisy/Quiet: Production & Processing of Sound
Noisy/Quiet: The Ear
Noisy/Quiet: How People & Animals Use Sound
Noisy/Quiet: Music
Noisy/Quiet: Range of Vibration
Forces and Motion
Forces and Fields
Forces: Buoyancy and Gravity
Forces and Machines
Forces: A Spectacle of Forces
Growth/Decay: Sex and Seeds
Growth/Decay: Human Growth
Growth/Decay: Decay
Growth/Decay: Human Cultures/Land Forms
Growth/Decay: Cycles Upon Cycles
Fast/Slow: Speed Up, Slow Down
Fast/Slow: Rhythms of Nature
Fast/Slow: Lifetimes
Fast/Slow: Speed and Racing
Fast/Slow: Time and Time Again
Communication: Human Communication
Communication: Animal Communication
Communication: Machinery of Communication
Communication with Other Species
Communication: Feedback
Food/Fuel: Animal Food
Food/Fuel: Human Food
Food/Fuel: Growing and Processing Food
Food/Fuel: Fueling Machines
Food/Fuel: The Sun Makes Everything Go
Hot/Cold: People's Temperatures
Hot/Cold: Animal and Plant Adaptations
Hot/Cold: How Hot or Cold Can It Get?
Hot/Cold: Heat and Work
Hot/Cold: Temperatures on Earth/In Space
Light/Dark: The Sun
Light/Dark: Electromagnetic Spectrum
Light/Dark: The Eye
Light/Dark: Light Sources
Near/Far: Seeing Isn't Always Believing
Near/Far: Mapping and Navigating Near Home
Near/Far: Mapping and Navigating Over Earth
Near/Far: Space Travel
Near/Far: Knowing Where You Are
Order/Disorder: Regular Patterns
Order/Disorder: The Body – An Ordered System
Order/Disorder: Social Order
Order/Disorder: Disordered
Order/Disorder: Sum of Its Parts
Surfaces: Protection
Surfaces: Shapes and Functions at the Surface
Surfaces: Surface Tension and Bubbles
Surfaces: Surface of the Earth
Surfaces: The Atmosphere
Big/Small: Animal Sizes/Scaling
Big/Small: Animal Habitats
Big/Small: Dinoaurs
Big/Small: Volume & Efficiency
Big/Small: How Big is Big?
Crowded/Uncrowded: Human Crowding
Crowded/Uncrowded: Optimum Populations in Nature
Crowded/Uncrowded: Contrasts in Densities of Materials
Crowded/Uncrowded: Down Among the Atoms (Liquids & Solids)
Crowded/Uncrowded: Human Survival/Controlling Densities